5051656 has 8 divisors (see below), whose sum is σ = 9471870. Its totient is φ = 2525824.

The previous prime is 5051653. The next prime is 5051681. The reversal of 5051656 is 6561505.

It can be written as a sum of positive squares in only one way, i.e., 3006756 + 2044900 = 1734^2 + 1430^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5051653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315721 + ... + 315736.

Almost surely, 2^5051656 is an apocalyptic number.

5051656 is the 1422-nd centered pentagonal number.

It is an amenable number.

5051656 is a deficient number, since it is larger than the sum of its proper divisors (4420214).

5051656 is a wasteful number, since it uses less digits than its factorization.

5051656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631463 (or 631459 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 5051656 is about 2247.5889303874. The cubic root of 5051656 is about 171.5844484324.

The spelling of 5051656 in words is "five million, fifty-one thousand, six hundred fifty-six".